A Quick Look at the Key Highlights for the Afternoon of May 25

7:00 (UTC+8) - 12:00 (UTC+8) Keywords: US-Iran, Polkadot, NVIDIA1. Iranian media reports that the US and Iran have not yet reached a final memorandum of understanding;2. The midpoint rate of the renminbi against the US dollar was raised by 55 points, marking a new high since February 2023;3. US Secretary of State: A potential agreement with Iran could be signed as early as Monday;4. Polkadot OpenGov proposes to require validators to stake a minimum of 10 thousand DOT themselves;5. Morgan Stanley: The global semiconductor industry market size may reach 1.5 trillion USD by 2030;6. NVIDIA CFO: We anticipated memory prices would surge and placed orders in advance.